Home / 39,077.57-53,926.98-21,173.06

Finding the Fourth Proportional to 39,077.57, 53,926.98 and 21,173.06

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Solution

The fourth proportional to 39,077.57, 53,926.98 and 21,173.06 is: 29,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.57 : 53,926.98 = 21,173.06 : x
  2. Step 2: Convert to fraction form
    39,077.57/53,926.98 = 21,173.06/x
  3. Step 3: Cross multiply
    39,077.57x = 53,926.98 × 21,173.06
  4. Step 4: Simplify right side
    39,077.57x = 1,141,799,238.58
  5. Step 5: Solve for x
    x = 1,141,799,238.58/39,077.57
  6. Step 6: Final answer
    x = 29,218.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.